1. ON - ROAD TIRE LONGITUDINAL BEHAVIOUR IDENTIFICATION 2. LONGITUDINAL TIRE BEHAVIOUR AS FUNCTION OF TIRE OPERATIVE CONDITIONS 3. LONGITUDINAL TIRE BEHAVIOUR IN REAL DRIVING CONDITIONS 4. WEAR ALGORITHM PREDICTION MOTORCYCLE S e r v i c e s HV - EV VEHICLE TECNOLOGY CHATTERING BRAKING REDUCTION Investigate low speed braking vibration phenomena ; define the adequate methodological chain ; implement a CAE to simulate non linear dynamic behaviour Optimization of frame design and increased stability and safety Development of a new CAE model to predict the dynamic behaviour of the system Develop a numerical model of a Series Hybrid Scooter (with Range Extender) and of a Parallel Hybrid Scooter Suite of software tools for hybrid scooter design has been developed in order to analyse and optimize the electric driveline in terms of operating strategies, driving mode and fuel consumption/acceleration performances DRIVABILITY CHARACTERIZATION COMFOR T CHARACTERIZATION STRUCTURAL VIBRATION REDUCTIO N STABILITY CHARACTERIZATION Analyse the mutual dynamic interaction between driver and motorcycle in order to objectify driving style and driver perception Objectification of driving style to assist vehicle design and tuning : driver feeling and driving style become key parameters to define the best setup (tires, frame stiffness, suspension .. ) to satisfy the driver target - class expectation To minimize sensitivity to any disturb that can affect vehicle riding during daily usage Characterization methodology to support the comfort evaluation The objectification process output is a set of objective metrics, suitable for solution design and direct settings comparison (road irregularity absorption, thermal comfort, aerodynamic comfort, ergonomics, engine vibrations, etc ) SUSPENSION OPTIMIZATIO N To speed - up both the suspension design and the tuning process A vehicle - indipendent methodology has been created to optimize stiffness/damping suspensions parameters using a CAE tool ( OptimSuspension ®) interface Very good results achieved on suspension optimized prototype concerning riding comfort Reduce structural vibration caused by engine inertia unbalances via engine mounts layout optimization Methodology has been created to optimize the engine mounts layout (numbers, positions) in order to reduce the vibrations transmitted to the chassis CAE tool has been developed, able to handle both rigid and deformable chassis via FEM integration ENGINE HANGER DESIGN Provide methodology to design engine hanger mounts to improve comfort and handling performances Methodology to design hanger mounts (position, geometrical data, stiffness) has been provided and specific optimization codes has been implemented Develop a new synergy between pilot and vehicle in order to improve safety and motorcycle drivability Suite of software tools has been provided and the mutual interaction between driver and motorcycle has been implemented into codes to optimize drivability in function of different driving styles